@misc{indiciae45de33cdbd22,
  title = {Peptic ulcer.},
  author = {J I Isenberg},
  year = {1981},
  doi = {10.1016/s0011-5029(81)80001-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/7035109/},
  note = {Source identifier: 7035109}
}